package cn.wolfcode.shop.cloud.web.controller;

import cn.wolfcode.shop.cloud.domain.OrderInfo;
import cn.wolfcode.shop.cloud.pay.AlipayProperties;
import cn.wolfcode.shop.cloud.service.IOrderInfoService;
import com.alipay.api.AlipayApiException;
import com.alipay.api.AlipayClient;
import com.alipay.api.internal.util.AlipaySignature;
import com.alipay.api.request.AlipayTradePagePayRequest;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Date;
import java.util.Map;

@RequestMapping("/pay")
@RestController
public class PayController {

    @Autowired
    private AlipayClient alipayClient;
    @Autowired
    private AlipayProperties alipayProperties;
    @Autowired
    private IOrderInfoService orderInfoService;

    @RequestMapping("/payOrder")
    public void payOrder(String orderNo, HttpServletResponse response) throws AlipayApiException, IOException {
        OrderInfo orderInfo = orderInfoService.getOrderInfoByOrderNo(orderNo);
        //设置请求参数
        AlipayTradePagePayRequest alipayRequest = new AlipayTradePagePayRequest();

        alipayRequest.setReturnUrl(alipayProperties.getReturn_url());

        alipayRequest.setNotifyUrl(alipayProperties.getNotify_url());

        //商户订单号，商户网站订单系统中唯一订单号，必填
        String out_trade_no = orderNo;
        //付款金额，必填
        String total_amount = orderInfo.getSeckillPrice() + "";
        //订单名称，必填
        String subject = orderInfo.getGoodName();
        //商品描述，可空
        String body = orderInfo.getGoodName();

        alipayRequest.setBizContent("{\"out_trade_no\":\"" + out_trade_no + "\","
                + "\"total_amount\":\"" + total_amount + "\","
                + "\"subject\":\"" + subject + "\","
                + "\"body\":\"" + body + "\","
                + "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");


        //请求
        String result = alipayClient.pageExecute(alipayRequest).getBody();

        PrintWriter out = response.getWriter();
        response.setContentType("text/html;charset=utf-8");
        //输出
        out.println(result);
    }

    @RequestMapping("/return_url")
    public void return_url(@RequestParam Map params, HttpServletResponse response) throws Exception{
        System.out.println("同步回调时间"+new Date());
        boolean signVerified = AlipaySignature.rsaCheckV1(params, alipayProperties.getAlipay_public_key(), alipayProperties.getCharset(), alipayProperties.getSign_type()); //调用SDK验证签名

        //——请在这里编写您的程序（以下代码仅作参考）——
        if(signVerified) {
            //商户订单号
            //String out_trade_no = new String(request.getParameter("out_trade_no").getBytes("ISO-8859-1"),"UTF-8");

            response.sendRedirect("http://localhost/order_detail.html?orderNo="+params.get("out_trade_no"));
        }else {
            //验签失败
            response.sendRedirect("http://localhost/50.html");
        }
    }
    @RequestMapping("/notify_url")
    public void notify_url(@RequestParam Map params,HttpServletResponse response) throws Exception {
        System.out.println("异步回调时间"+new Date());
        boolean signVerified = AlipaySignature.rsaCheckV1(params, alipayProperties.getAlipay_public_key(), alipayProperties.getCharset(), alipayProperties.getSign_type()); //调用SDK验证签名
        PrintWriter out = response.getWriter();
        if(signVerified) {//验证成功
            //商户订单号
            String orderNo = params.get("out_trade_no")+"";

            orderInfoService.updateStatus(orderNo, OrderInfo.STATUS_ACCOUNT_PAID);
            out.print("success");
        }else {//验证失败
            out.print("fail");
        }

    }
}
